// 补全表格列表
function setTableRow(objStr, colNum, rowNum){
	if($(objStr + ' tr').length < rowNum){
	   var s = '<tr class="dataTR"><td colspan=' + colNum + '>&nbsp;</td></tr>';
	   for(var i = $(objStr + ' tr').length; i <= rowNum; i++){
		   $(objStr).append(s);
	   }
   }
}